Become a Seller & expand your global reach. Manage sales & scale your business

expand your business

Global connections, trusted marketplace

Discover why sellers worldwide trust Callisto to grow their reach, access new markets, and sell products quicker.

3,000+

Wholesale buyers globally

$1.8bn

GMV traded to date

60+

Markets reached worldwide

how to reach new buyers

Three ways to sell

Get instant access to a global tech marketplace and connect with buyers worldwide with trust and ease

Auction

Engage buyers in dynamic auctions that drive competitive bids and maximize your sales.

Catalogue

List your products in our extensive catalogue, making it easy for buyers to find and purchase your items.

Offers

Our “Make an Offer" feature lets buyers propose prices for listed items, enabling sellers to accept, counteroffer and negotiate for flexible pricing.

effortless sales management

Streamlined and secure selling

Manage sales effortlessly and scale your business at pace.

Transaction security

Every transaction on Callisto is protected with escrow-held payments and strict KYC compliance. Funds are only released once buyers confirm receipt of goods, reducing risk and building trust between all parties.

Real-time dashboard

Manage sales, inventory, auctions, and orders efficiently through Callisto’s centralized dashboard. Access live updates and track key performance metrics like pricing, stock levels, and sales status.

Streamlined sales operations

Sellers can utilize flexible listing options, including catalogues, auctions, and offers, while maintaining control of pricing and inventory.

Global market access

Connect with a network of over 3,000 buyers across 60+ countries. Expand your reach and unlock new opportunities.

selling features

Optimize your sales process

Enhance your selling experience with advanced tools, actionable insights, and seamless management.

Bulk uploads

Quickly upload multiple products using our bulk upload feature, saving time and ensuring accurate listings.

Custom pricing

Take full control of your pricing strategy. Set and adjust your price to reflect your business objectives.

Live updates

Monitor your sales, buyer activity, and offers in real-time.

Complete our one-time sign up for your Callisto account to become an approved trader and gain access to the portal.
Register
You'll learn about what we offer sellers, the available tools and and how to get started.
Book a demo
We'll guide you through the process with everything you need to get your seller portal live.
Prepare your listings and meet your new Callisto Seller dashboard to manage auctions, orders and shipments from.